Steel reinforced valves.
Sold by pair.
Stem diameter : 4mm
Inlet diameter : 27,5 mm.
Exhaust diameter: 23.5 mm.
Weight : 18,7 and 16,4 grams.
We advise to change the valve stem seals at the same time available ref: 30604-054 or 30604-053
Set of adjustment shims available: HERE
Reference KITACO: 302-1123700